Avoid usingjson.json.getNumber and remove dislike extraction

* Dislikes are always 0

Author: litetex

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/invidious/extractors/InvidiousChannelExtractor.java

@@ -112,7 +112,7 @@ public String getFeedUrl() {
 
     @Override
     public long getSubscriberCount() {
-        return json.getNumber("subCount").longValue();
+        return json.getLong("subCount");
     }
 
     @Override

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/invidious/extractors/InvidiousCommentsInfoItemExtractor.java

@@ -27,7 +27,7 @@ public InvidiousCommentsInfoItemExtractor(
 
     @Override
     public int getLikeCount() {
-        return json.getNumber("likeCount").intValue();
+        return json.getInt("likeCount");
     }
 
     @Override
@@ -43,8 +43,7 @@ public String getTextualUploadDate() {
     @Nullable
     @Override
     public DateWrapper getUploadDate() {
-        return InvidiousParsingHelper.getUploadDateFromEpochTime(
-                json.getNumber("published").longValue());
+        return InvidiousParsingHelper.getUploadDateFromEpochTime(json.getLong("published"));
     }
 
     @Override

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/invidious/extractors/InvidiousPlaylistExtractor.java

@@ -55,8 +55,7 @@ public String getUploaderAvatarUrl() {
 
     @Override
     public long getStreamCount() {
-        final Number number = json.getNumber("videoCount");
-        return number == null ? -1 : number.longValue();
+        return json.getLong("videoCount", -1);
     }
 
     @Nonnull

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/invidious/extractors/InvidiousStreamExtractor.java

@@ -71,15 +71,13 @@ public String getTextualUploadDate() {
     @Nullable
     @Override
     public DateWrapper getUploadDate() {
-        return InvidiousParsingHelper.getUploadDateFromEpochTime(
-                json.getNumber("published").longValue());
+        return InvidiousParsingHelper.getUploadDateFromEpochTime(json.getLong("published"));
     }
 
     @Nonnull
     @Override
     public String getThumbnailUrl() {
-        final JsonArray thumbnail = json.getArray("authorThumbnails");
-        return InvidiousParsingHelper.getThumbnailUrl(thumbnail);
+        return InvidiousParsingHelper.getThumbnailUrl(json.getArray("videoThumbnails"));
     }
 
     @Nonnull
@@ -100,7 +98,7 @@ public int getAgeLimit() {
 
     @Override
     public long getLength() {
-        return json.getNumber("lengthSeconds").longValue();
+        return json.getLong("lengthSeconds");
     }
 
     @Override
@@ -111,17 +109,12 @@ public long getTimeStamp() throws ParsingException {
 
     @Override
     public long getViewCount() {
-        return json.getNumber("viewCount").longValue();
+        return json.getLong("viewCount");
     }
 
     @Override
     public long getLikeCount() {
-        return json.getNumber("likeCount").longValue();
-    }
-
-    @Override
-    public long getDislikeCount() {
-        return json.getNumber("dislikeCount").longValue();
+        return json.getLong("likeCount");
     }
 
     @Nonnull

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/invidious/extractors/InvidiousStreamInfoItemExtractor.java

@@ -42,8 +42,7 @@ public boolean isAd() throws ParsingException {
 
     @Override
     public long getDuration() {
-        final Number number = json.getNumber("lengthSeconds");
-        return number == null ? -1 : number.longValue();
+        return json.getLong("lengthSeconds", -1);
     }
 
     @Override
@@ -74,12 +73,14 @@ public String getTextualUploadDate() {
     @Nullable
     @Override
     public DateWrapper getUploadDate() {
-        final Number epochTime = json.getNumber("published");
-        if (epochTime != null) {
-            return getUploadDateFromEpochTime(epochTime.longValue());
+        final long epochTime = json.getLong("published", -1);
+
+        // Time is not always provided e.g. on related videos of a video it's missing
+        if (epochTime == -1) {
+            return null;
         }
 
-        return null;
+        return getUploadDateFromEpochTime(epochTime);
     }
 
     @Override